<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page,index) in pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="icon-imgcontent" :src="item.imgUrl" alt />
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>

      <!-- <div class="swiper-pagination" slot="pagination"></div> -->
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    iconList: Array
  },
  data: function () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages: function () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl';
@import '~styles/mixins.styl';

.icons >>>.swiper-container {
  height: 0;
  // 宽高比，占位
  padding-bottom: 50%;
}

.icons >>> .swiper-pagination-bullet-active {
  background-color: #fff;
}

.icons {
  margin-top: 0.2rem;
}

.icon {
  position: relative;
  overflow: hidden;
  float: left;
  width: 25%;
  height: 0;
  padding-bottom: 25%;

  .icon-img {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0.44rem;
    box-sizing: border-box;
    padding: 0.1rem;

    .icon-imgcontent {
      height: 100%;
      display: block;
      margin: 0 auto;
    }
  }

  .icon-desc {
    height: 0.44rem;
    line-height: 0.44rem;
    color: $darkTextColor;
    text-align: center;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    ellipsis();
  }
}
</style>
